rozwiąż równanie:
a) 3/4x = -4/9,
b) 0,1x = -7
tylko proszę szybko bo potrzebne na teraz
a) 3/4x = -4/9 | *4
3x = -16/9 |:3
x = -16/27
b) 0,1x = -7 | * 10
x = - 70
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a) 3/4x = -4/9 | *4
3x = -16/9 |:3
x = -16/27
b) 0,1x = -7 | * 10
x = - 70